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Finding the Fourth Proportional to 89,593.96, 123,635.94 and 49,303.96

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Solution

The fourth proportional to 89,593.96, 123,635.94 and 49,303.96 is: 68,037.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,593.96 : 123,635.94 = 49,303.96 : x
  2. Step 2: Convert to fraction form
    89,593.96/123,635.94 = 49,303.96/x
  3. Step 3: Cross multiply
    89,593.96x = 123,635.94 × 49,303.96
  4. Step 4: Simplify right side
    89,593.96x = 6,095,741,440.32
  5. Step 5: Solve for x
    x = 6,095,741,440.32/89,593.96
  6. Step 6: Final answer
    x = 68,037.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.